1 section  = 1 square mile = 640 acres

1 Acre = 1/640 of a section

10 acres = 1/64 of a section

160 acres = 1/4 section

36 sections = a township
[6 sections east and west (the range) by 6 
sections north and south (the township)]


A half section = 320 acres
(shown in green below)

A quarter section = 160 acres
(shown in pink below)

An eighth section = 80 acres 
(half of a quarter,
shown in blue, below)
 

An sixteenth section = 40 acres 
(quarter of a quarter,
shown in yellow below)

One Section
(640 Acres)

10
40
(NW

10

AC.
1/4
10
10
10
10
10

10

of
NW
10

 

the
1/4)
10

 

10
10
10

10

160

10

AC.

10

10

 

10

80
(S

10

AC.
1/2
10
10
(NE
10

 

1/4)

10

 

10

10

 

of
NW
10

 

the
1/4)
10

 

10
10
10
10
10

10

 

10
10
10
10
10
10
10

10

 

10
10

10

320

10

AC.

10
10
10

10

 

10
10
(S
10

 

1/2)

10

 

10
10
10

10

 

10
10
10
10
10
10
10
.
 
 
 

 

SS 30
R 8E

SS 30
R 8E

SS 30
R 8E

SS 30
R 8E

SS 25
R 9E
SS 25
R 9E
SS 25
R 9E
SS 25
R 9E
 
SS 30
TS 16N
40 Ac.
S. 30
40 Ac.
S. 30
40 Ac.
S. 30

40 Ac.
S. 30

    
SS 25
TS 16N
SS 30
TS 16N
40 Ac.
S. 30
40 Ac.
S. 30
40 Ac.
S. 30

40 Ac.
S. 30

 

    
SS 25
TS 16N
SS 30
TS 16N
John Gwin
159.75
SW

 owned this 
Acres
 1/4
 
40 Ac.
S. 30
40 Ac.
S. 30
    
SS 25
TS 16N
SS 30
TS 16N
 

S
TS
R.
 
30
 16N
 8E
 
40 Ac.
S. 30
40 Ac.
S. 30
    
SS 25
TS 16N
SS 31
TS 16N

40 Ac.
S. 31

John Gwin
owned this
80 AC
E1/2 of
NW 1/4
40 Ac.
S. 31
40 Ac.
S. 31
    
SS 36
TS 16N
SS 31
TS 16N
 

40 Ac.
S. 31

of S. 31
TS 16N
R 8E
40 Ac.
S. 31
40 Ac.
S. 31
    
SS 36
TS 16N
SS 31
TS 16N

40 Ac.
S. 31

40 Ac.
S. 31
40 Ac.
S. 31
40 Ac.
S. 31
    
SS 36
TS 16N
SS 31
TS 16N

40 Ac.
S. 31


 


40 Ac.
S. 31
 

40 Ac.
S. 31

 
 

40 Ac.
S. 31

 
    
SS 36
TS 16N
 

SS 31
R 8E

SS 31
R 8E

SS 31
R 8E

SS 31
R 8E

SS 36
R 9E
SS 36
R 9E
SS 36
R 9E
SS 36
R 9E
.